CN202917543U - Structure for connecting OLED cathode and auxiliary electrode - Google Patents
Structure for connecting OLED cathode and auxiliary electrode Download PDFInfo
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- CN202917543U CN202917543U CN 201220567471 CN201220567471U CN202917543U CN 202917543 U CN202917543 U CN 202917543U CN 201220567471 CN201220567471 CN 201220567471 CN 201220567471 U CN201220567471 U CN 201220567471U CN 202917543 U CN202917543 U CN 202917543U
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- auxiliary electrode
- oled
- negative electrode
- cathode
- electrode
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Abstract
The present utility model provides a structure for connecting an OLED cathode and an auxiliary electrode, and the structure is provided to solve line defects between rows of an OLED screen caused by introduction of the auxiliary electrode after the auxiliary electrode is introduced. The structure comprises the cathode and the auxiliary electrode, the cathode is contacted with the auxiliary electrode, and the structure is characterized in that the cathode and the auxiliary electrode are provided with connecting holes and connected through the connecting holes. In the structure for connecting the OLED cathode and the auxiliary electrode, a laser is adopted to irradiate a contacting part of the auxiliary electrode and the cathode until one part of the auxiliary electrode is broken through, the auxiliary electrode can be better contacted with the cathode through the connecting holes, thus the contacting resistance value and the contacting resistor resistance difference can be reduced, luminance of each row tends to be consistent, and the OLED line defects can be improved.
Description
Technical field
The utility model belongs to OLED Display Technique field, is specifically related to the syndeton of negative electrode and auxiliary electrode in a kind of OLED electrode structure.
Background technology
In flat panel display, many merits such as display is frivolous with it for Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED), active illuminating, fast-response speed, wide viewing angle, rich color and high brightness, low-power consumption, high-low temperature resistant and to be known as by industry be third generation Display Technique after liquid crystal display (LCD).Active OLED(Active Matrix OLED, AMOLED) be also referred to as active matrix OLED, AMOLED is because driving by integrated thin-film transistor (TFT) and capacitor in each pixel and by the method that capacitor is kept voltage, thereby can realize large scale, resolution panels, be the emphasis of current research and the developing direction of following Display Technique.
In existing technology, need to adopt the auxiliary electrode of low-resistivity to be connected with negative electrode to reduce electrode resistance to the impact of circuit, the mode that employing directly contacts between auxiliary electrode and the negative electrode usually.Figure 1 shows that existing negative electrode and auxiliary electrode syndeton schematic diagram, negative electrode 1 is connected with auxiliary electrode 2 contacts among the figure.But, in Practical Project, the contact resistance between auxiliary electrode and negative electrode is larger, and each contact resistance resistance homogeneity is relatively poor, the result has caused OLED to shield the larger problem of luminance difference between each row when improving electrode resistance value, forms obvious linear discontinuities.
The utility model content
The purpose of this utility model is to shield the problem that has the line defect that the introducing because of auxiliary electrode produces between each row in order to solve the OLED that introduces behind the auxiliary electrode, has proposed a kind of OLED negative electrode and auxiliary electrode syndeton.
The technical solution of the utility model is: a kind of OLED negative electrode and auxiliary electrode syndeton, comprise negative electrode and auxiliary electrode, and the contact of described negative electrode and auxiliary electrode is connected, it is characterized in that, on described negative electrode and the auxiliary electrode connecting hole connection is arranged.
Described connecting hole is to utilize laser breakdown to the part that auxiliary electrode and the contacted part of negative electrode expose to auxiliary electrode, and described connecting hole can make auxiliary electrode and negative electrode contact.
The beneficial effects of the utility model: of the present utility model, a kind of OLED negative electrode and auxiliary electrode syndeton utilize laser breakdown to the part that auxiliary electrode and the contacted part of negative electrode expose to auxiliary electrode, described connecting hole can make auxiliary electrode better and negative electrode contacts, reach the purpose that reduces contact resistance value and reduce contact resistance resistance difference, the luminosity of each row is reached unanimity, reach the purpose of improving the OLED line defect.
Description of drawings
Fig. 1 is existing OLED negative electrode and auxiliary electrode syndeton schematic diagram.
Fig. 2 is OLED negative electrode of the present utility model and auxiliary electrode syndeton schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is further elaborated.
The purpose of this programme is to improve the problem of the display line defective that causes because of the introducing of auxiliary electrode with the OLED display screen of auxiliary electrode.
As shown in Figure 2, a kind of OLED negative electrode and the auxiliary electrode syndeton of the present embodiment comprise negative electrode and auxiliary electrode, and the contact of described negative electrode and auxiliary electrode is connected, on described negative electrode and the auxiliary electrode connecting hole connection are arranged.
Described connecting hole is to utilize laser breakdown to the part that auxiliary electrode and the contacted part of negative electrode expose to auxiliary electrode, and described connecting hole can make auxiliary electrode better and negative electrode contacts.
As shown in Figure 2,
A kind of OLED negative electrode and auxiliary electrode syndeton comprise negative electrode 3 and auxiliary electrode 4, and described negative electrode 3 is connected contact and is connected with auxiliary electrode.At the join domain of negative electrode 3 with auxiliary electrode 4, utilize laser breakdown to form connecting hole 5 to the part that auxiliary electrode and the contacted part of negative electrode expose to auxiliary electrode, described connecting hole 5 can make auxiliary electrode better and negative electrode contacts, reach the purpose that reduces contact resistance value and reduce contact resistance resistance difference, the luminosity of each row is reached unanimity, reach the purpose of improving the OLED line defect.
Those of ordinary skill in the art will appreciate that, embodiment described here is in order to help reader understanding's principle of the present utility model, should to be understood to that protection range of the present utility model is not limited to such special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combinations that do not break away from the utility model essence according to disclosed these technology enlightenments of the utility model, and these distortion and combination are still in protection range of the present utility model.
Claims (2)
1. an OLED negative electrode and auxiliary electrode syndeton comprise negative electrode and auxiliary electrode, and described negative electrode is connected with the auxiliary electrode contact, it is characterized in that, on described negative electrode and the auxiliary electrode connecting hole connection are arranged.
2. a kind of OLED negative electrode according to claim 1 and auxiliary electrode syndeton, it is characterized in that described connecting hole is to utilize laser breakdown to the part that auxiliary electrode and the contacted part of negative electrode expose to auxiliary electrode, described connecting hole can make auxiliary electrode and negative electrode contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220567471 CN202917543U (en) | 2012-10-31 | 2012-10-31 | Structure for connecting OLED cathode and auxiliary electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220567471 CN202917543U (en) | 2012-10-31 | 2012-10-31 | Structure for connecting OLED cathode and auxiliary electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202917543U true CN202917543U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220567471 Expired - Fee Related CN202917543U (en) | 2012-10-31 | 2012-10-31 | Structure for connecting OLED cathode and auxiliary electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202917543U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9508933B2 (en) | 2014-09-15 | 2016-11-29 | Boe Technology Group Co., Ltd. | Organic light-emitting diode (OLED) device, manufacturing method thereof and display device |
| CN104198817B (en) * | 2014-08-06 | 2017-02-01 | 上海和辉光电有限公司 | OLED (Organic Light Emitting Diode) contact impedance test assembly |
| CN107785381A (en) * | 2017-10-13 | 2018-03-09 | 深圳市华星光电半导体显示技术有限公司 | The preparation method and oled panel of oled panel |
| WO2019033786A1 (en) * | 2017-08-17 | 2019-02-21 | Boe Technology Group Co., Ltd. | Display substrate, display apparatus, and fabricating method thereof |
| US10566568B2 (en) | 2017-08-29 | 2020-02-18 | Boe Technology Group Co., Ltd. | Organic light emitting diode display substrate, organic light emitting diode display apparatus, and method of fabricating organic light emitting diode display substrate |
-
2012
- 2012-10-31 CN CN 201220567471 patent/CN202917543U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198817B (en) * | 2014-08-06 | 2017-02-01 | 上海和辉光电有限公司 | OLED (Organic Light Emitting Diode) contact impedance test assembly |
| US9508933B2 (en) | 2014-09-15 | 2016-11-29 | Boe Technology Group Co., Ltd. | Organic light-emitting diode (OLED) device, manufacturing method thereof and display device |
| WO2019033786A1 (en) * | 2017-08-17 | 2019-02-21 | Boe Technology Group Co., Ltd. | Display substrate, display apparatus, and fabricating method thereof |
| US10861926B2 (en) | 2017-08-17 | 2020-12-08 | Boe Technology Group Co., Ltd. | Display substrate, display apparatus, and fabricating method thereof |
| US10566568B2 (en) | 2017-08-29 | 2020-02-18 | Boe Technology Group Co., Ltd. | Organic light emitting diode display substrate, organic light emitting diode display apparatus, and method of fabricating organic light emitting diode display substrate |
| CN107785381A (en) * | 2017-10-13 | 2018-03-09 | 深圳市华星光电半导体显示技术有限公司 | The preparation method and oled panel of oled panel |
| CN107785381B (en) * | 2017-10-13 | 2020-12-22 | 深圳市华星光电半导体显示技术有限公司 | OLED panel manufacturing method and OLED panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20201031 |